<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<h1>
    欢迎回来，{$_SESSION['username']}！
</h1>
<p>您上次登录的时间是{$_SESSION['lastlogintime']}</p>
<p>您上次登录的ip是{$_SESSION['lastloginip']}</p>
</body>
</html>